Effect of oral supplement of zinc and copper on lameness and reproductive performance in dairy cattle

The aim of this study was to evaluate the effects of oral supplements of zinc and copper on lameness and reproductive performance in dairy cattle. Performance indicators on a dairy farm are very different. In this study which was conducted on 40 Holstein cows at one of Amol's dairy farms, some...

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Bibliographic Details
Main Authors: H Koochekzadeh Omran, M Fallah, M Fartashvand, A.M Vatankhah
Format: Article
Language:fas
Published: Islamic Azad University, Tabriz Branch 2012-08-01
Series:Āsīb/shināsī-i Darmāngāhī-i Dāmpizishkī
Subjects:
Online Access:http://jvcp.iaut.ac.ir/article_517849_0cc074f217f1b01e4e1347854275dbd0.pdf